12901319 has 4 divisors (see below), whose sum is σ = 13093944. Its totient is φ = 12708696.

The previous prime is 12901307. The next prime is 12901327. The reversal of 12901319 is 91310921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12901319 is a prime.

It is a super-2 number, since 2×12901319² = 332888063879522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96212 + ... + 96345.

It is an arithmetic number, because the mean of its divisors is an integer number (3273486).

Almost surely, 2^12901319 is an apocalyptic number.

12901319 is a deficient number, since it is larger than the sum of its proper divisors (192625).

12901319 is an equidigital number, since it uses as much as digits as its factorization.

12901319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192624.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 12901319 is about 3591.8406145039. The cubic root of 12901319 is about 234.5370029942.

The spelling of 12901319 in words is "twelve million, nine hundred one thousand, three hundred nineteen".