12123496 has 32 divisors (see below), whose sum is σ = 28342080. Its totient is φ = 4723200.

The previous prime is 12123493. The next prime is 12123521. The reversal of 12123496 is 69432121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12123493) 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, 9225 + ... + 10456.

It is an arithmetic number, because the mean of its divisors is an integer number (885690).

Almost surely, 2^12123496 is an apocalyptic number.

It is an amenable number.

12123496 is an abundant number, since it is smaller than the sum of its proper divisors (16218584).

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

12123496 is a wasteful number, since it uses less digits than its factorization.

12123496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19705 (or 19701 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 12123496 is about 3481.8811007845. The cubic root of 12123496 is about 229.7255453445.

The spelling of 12123496 in words is "twelve million, one hundred twenty-three thousand, four hundred ninety-six".