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12970338 = 2331137509
BaseRepresentation
bin110001011110…
…100101100010
3220101221221220
4301132211202
511310022323
61141555510
7215150253
oct61364542
926357856
1012970338
117359897
124415b96
1328c1874
141a18b2a
1512130e3
hexc5e962

12970338 has 32 divisors (see below), whose sum is σ = 27025920. Its totient is φ = 4145280.

The previous prime is 12970333. The next prime is 12970357. The reversal of 12970338 is 83307921.

12970338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12970299 and 12970308.

It is not an unprimeable number, because it can be changed into a prime (12970333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25228 + ... + 25736.

It is an arithmetic number, because the mean of its divisors is an integer number (844560).

Almost surely, 212970338 is an apocalyptic number.

12970338 is an abundant number, since it is smaller than the sum of its proper divisors (14055582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12970338 is a wasteful number, since it uses less digits than its factorization.

12970338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12970338 is about 3601.4355471117. The cubic root of 12970338 is about 234.9544985090.

The spelling of 12970338 in words is "twelve million, nine hundred seventy thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 31 62 93 137 186 274 411 509 822 1018 1527 3054 4247 8494 12741 15779 25482 31558 47337 69733 94674 139466 209199 418398 2161723 4323446 6485169 12970338