12692390 has 8 divisors (see below), whose sum is σ = 22846320. Its totient is φ = 5076952.

The previous prime is 12692371. The next prime is 12692429. The reversal of 12692390 is 9329621.

12692390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12692390² = 322193527824200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634610 + ... + 634629.

It is an arithmetic number, because the mean of its divisors is an integer number (2855790).

Almost surely, 2^12692390 is an apocalyptic number.

12692390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12692390 is a deficient number, since it is larger than the sum of its proper divisors (10153930).

12692390 is a wasteful number, since it uses less digits than its factorization.

12692390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269246.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 12692390 is about 3562.6380675000. The cubic root of 12692390 is about 233.2640451866.

The spelling of 12692390 in words is "twelve million, six hundred ninety-two thousand, three hundred ninety".