Search a number
-
+
12019629 = 317235679
BaseRepresentation
bin101101110110…
…011110101101
3211121122211110
4231312132231
511034112004
61105342233
7204110436
oct55663655
924548743
1012019629
11686a586
124037979
13264ac0b
14184c48d
1510c6589
hexb767ad

12019629 has 8 divisors (see below), whose sum is σ = 16968960. Its totient is φ = 7541696.

The previous prime is 12019627. The next prime is 12019687. The reversal of 12019629 is 92691021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12019629 - 21 = 12019627 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12019596 and 12019605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019627) 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, 117789 + ... + 117890.

It is an arithmetic number, because the mean of its divisors is an integer number (2121120).

Almost surely, 212019629 is an apocalyptic number.

It is an amenable number.

12019629 is a deficient number, since it is larger than the sum of its proper divisors (4949331).

12019629 is a wasteful number, since it uses less digits than its factorization.

12019629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235699.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 12019629 is about 3466.9336595903. The cubic root of 12019629 is about 229.0676115965.

The spelling of 12019629 in words is "twelve million, nineteen thousand, six hundred twenty-nine".

Divisors: 1 3 17 51 235679 707037 4006543 12019629