12971413 has 8 divisors (see below), whose sum is σ = 15964928. Its totient is φ = 10263024.

The previous prime is 12971411. The next prime is 12971419. The reversal of 12971413 is 31417921.

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

It is a cyclic number.

It is not a de Polignac number, because 12971413 - 2¹ = 12971411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12971411) 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, 71181 + ... + 71362.

It is an arithmetic number, because the mean of its divisors is an integer number (1995616).

Almost surely, 2^12971413 is an apocalyptic number.

12971413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12971413 is a deficient number, since it is larger than the sum of its proper divisors (2993515).

12971413 is a wasteful number, since it uses less digits than its factorization.

12971413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142563.

The product of its digits is 1512, while the sum is 28.

The square root of 12971413 is about 3601.5847900612. The cubic root of 12971413 is about 234.9609894503.

The spelling of 12971413 in words is "twelve million, nine hundred seventy-one thousand, four hundred thirteen".