12619331 has 4 divisors (see below), whose sum is σ = 12960432. Its totient is φ = 12278232.

The previous prime is 12619319. The next prime is 12619337. The reversal of 12619331 is 13391621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12619331 is a prime.

It is a super-2 number, since 2×12619331² = 318495029775122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12619331.

It is not an unprimeable number, because it can be changed into a prime (12619337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170495 + ... + 170568.

It is an arithmetic number, because the mean of its divisors is an integer number (3240108).

Almost surely, 2^12619331 is an apocalyptic number.

12619331 is a deficient number, since it is larger than the sum of its proper divisors (341101).

12619331 is an equidigital number, since it uses as much as digits as its factorization.

12619331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341100.

The product of its digits is 972, while the sum is 26.

The square root of 12619331 is about 3552.3697724195. The cubic root of 12619331 is about 232.8156179124.

The spelling of 12619331 in words is "twelve million, six hundred nineteen thousand, three hundred thirty-one".