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12992619 = 339710909
BaseRepresentation
bin110001100100…
…000001101011
3220110002112010
4301210001223
511311230434
61142251003
7215302233
oct61440153
926402463
1012992619
117374602
124426a63
1328cba53
141a22cc3
1512199e9
hexc6406b

12992619 has 8 divisors (see below), whose sum is σ = 17368720. Its totient is φ = 8639136.

The previous prime is 12992611. The next prime is 12992621. The reversal of 12992619 is 91629921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12992619 - 23 = 12992611 is a prime.

It is a super-2 number, since 2×129926192 = 337616296958322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12992611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4264 + ... + 6645.

It is an arithmetic number, because the mean of its divisors is an integer number (2171090).

Almost surely, 212992619 is an apocalyptic number.

12992619 is a deficient number, since it is larger than the sum of its proper divisors (4376101).

12992619 is a wasteful number, since it uses less digits than its factorization.

12992619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309.

The product of its digits is 17496, while the sum is 39.

The square root of 12992619 is about 3604.5275695991. The cubic root of 12992619 is about 235.0889598312.

The spelling of 12992619 in words is "twelve million, nine hundred ninety-two thousand, six hundred nineteen".

Divisors: 1 3 397 1191 10909 32727 4330873 12992619