12915086 has 4 divisors (see below), whose sum is σ = 19372632. Its totient is φ = 6457542.

The previous prime is 12915073. The next prime is 12915101. The reversal of 12915086 is 68051921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68051921 = 7 ⋅9721703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228770 + ... + 3228773.

It is an arithmetic number, because the mean of its divisors is an integer number (4843158).

Almost surely, 2^12915086 is an apocalyptic number.

12915086 is a deficient number, since it is larger than the sum of its proper divisors (6457546).

12915086 is an equidigital number, since it uses as much as digits as its factorization.

12915086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457545.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12915086 is about 3593.7565304288. The cubic root of 12915086 is about 234.6203981646.

The spelling of 12915086 in words is "twelve million, nine hundred fifteen thousand, eighty-six".