12212494 has 48 divisors (see below), whose sum is σ = 23411808. Its totient is φ = 4663296.

The previous prime is 12212483. The next prime is 12212503. The reversal of 12212494 is 49421221.

12212494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125854 + ... + 125950.

It is an arithmetic number, because the mean of its divisors is an integer number (487746).

Almost surely, 2^12212494 is an apocalyptic number.

12212494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12212494 is a deficient number, since it is larger than the sum of its proper divisors (11199314).

12212494 is a wasteful number, since it uses less digits than its factorization.

12212494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 146 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 12212494 is about 3494.6378925434. The cubic root of 12212494 is about 230.2863101123.

The spelling of 12212494 in words is "twelve million, two hundred twelve thousand, four hundred ninety-four".