12973477 has 8 divisors (see below), whose sum is σ = 14179680. Its totient is φ = 11771760.

The previous prime is 12973463. The next prime is 12973483. The reversal of 12973477 is 77437921.

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

It is a de Polignac number, because none of the positive numbers 2^k-12973477 is a prime.

It is a super-2 number, since 2×12973477² = 336622210939058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973427) 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, 8763 + ... + 10135.

It is an arithmetic number, because the mean of its divisors is an integer number (1772460).

Almost surely, 2^12973477 is an apocalyptic number.

It is an amenable number.

12973477 is a deficient number, since it is larger than the sum of its proper divisors (1206203).

12973477 is a wasteful number, since it uses less digits than its factorization.

12973477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243.

The product of its digits is 74088, while the sum is 40.

The square root of 12973477 is about 3601.8713191895. The cubic root of 12973477 is about 234.9734510524.

It can be divided in two parts, 1297 and 3477, that added together give a palindrome (4774).

The spelling of 12973477 in words is "twelve million, nine hundred seventy-three thousand, four hundred seventy-seven".