12974121 has 16 divisors (see below), whose sum is σ = 19364800. Its totient is φ = 8584704.

The previous prime is 12974119. The next prime is 12974147. The reversal of 12974121 is 12147921.

12974121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12974121 - 2¹ = 12974119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12976121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (1210300).

Almost surely, 2^12974121 is an apocalyptic number.

It is an amenable number.

12974121 is a deficient number, since it is larger than the sum of its proper divisors (6390679).

12974121 is a wasteful number, since it uses less digits than its factorization.

12974121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605 (or 3599 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 12974121 is about 3601.9607160545. The cubic root of 12974121 is about 234.9773389949.

The spelling of 12974121 in words is "twelve million, nine hundred seventy-four thousand, one hundred twenty-one".