12977326 has 8 divisors (see below), whose sum is σ = 20137320. Its totient is φ = 6264888.

The previous prime is 12977317. The next prime is 12977329. The reversal of 12977326 is 62377921.

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

It is a super-2 number, since 2×12977326² = 336821980220552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977329) 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, 111816 + ... + 111931.

It is an arithmetic number, because the mean of its divisors is an integer number (2517165).

Almost surely, 2^12977326 is an apocalyptic number.

12977326 is a deficient number, since it is larger than the sum of its proper divisors (7159994).

12977326 is a wasteful number, since it uses less digits than its factorization.

12977326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223778.

The product of its digits is 31752, while the sum is 37.

The square root of 12977326 is about 3602.4055851611. The cubic root of 12977326 is about 234.9966862367.

The spelling of 12977326 in words is "twelve million, nine hundred seventy-seven thousand, three hundred twenty-six".