12136894 has 32 divisors (see below), whose sum is σ = 23141376. Its totient is φ = 4636320.

The previous prime is 12136889. The next prime is 12136897. The reversal of 12136894 is 49863121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7419 + ... + 8905.

It is an arithmetic number, because the mean of its divisors is an integer number (723168).

Almost surely, 2^12136894 is an apocalyptic number.

12136894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12136894 is a deficient number, since it is larger than the sum of its proper divisors (11004482).

12136894 is a wasteful number, since it uses less digits than its factorization.

12136894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 10368, while the sum is 34.

The square root of 12136894 is about 3483.8045295338. The cubic root of 12136894 is about 229.8101394732.

The spelling of 12136894 in words is "twelve million, one hundred thirty-six thousand, eight hundred ninety-four".