12393477 has 24 divisors (see below), whose sum is σ = 18555264. Its totient is φ = 7966464.

The previous prime is 12393473. The next prime is 12393487. The reversal of 12393477 is 77439321.

It is not a de Polignac number, because 12393477 - 2² = 12393473 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34933 + ... + 35285.

It is an arithmetic number, because the mean of its divisors is an integer number (773136).

Almost surely, 2^12393477 is an apocalyptic number.

It is an amenable number.

12393477 is a deficient number, since it is larger than the sum of its proper divisors (6161787).

12393477 is a wasteful number, since it uses less digits than its factorization.

12393477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 486 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 12393477 is about 3520.4370467316. The cubic root of 12393477 is about 231.4183121391.

The spelling of 12393477 in words is "twelve million, three hundred ninety-three thousand, four hundred seventy-seven".