12861496 has 16 divisors (see below), whose sum is σ = 24767640. Its totient is φ = 6256800.

The previous prime is 12861493. The next prime is 12861517. The reversal of 12861496 is 69416821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12861493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21430 + ... + 22021.

Almost surely, 2^12861496 is an apocalyptic number.

It is an amenable number.

12861496 is a deficient number, since it is larger than the sum of its proper divisors (11906144).

12861496 is a wasteful number, since it uses less digits than its factorization.

12861496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43494 (or 43490 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 12861496 is about 3586.2927934010. The cubic root of 12861496 is about 234.2954361281.

The spelling of 12861496 in words is "twelve million, eight hundred sixty-one thousand, four hundred ninety-six".