12727450 has 24 divisors (see below), whose sum is σ = 23767452. Its totient is φ = 5070720.

The previous prime is 12727447. The next prime is 12727471. The reversal of 12727450 is 5472721.

It can be written as a sum of positive squares in 6 ways, for example, as 4124961 + 8602489 = 2031^2 + 2933^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22572 + ... + 23128.

Almost surely, 2^12727450 is an apocalyptic number.

12727450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12727450 is a deficient number, since it is larger than the sum of its proper divisors (11040002).

12727450 is a wasteful number, since it uses less digits than its factorization.

12727450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12727450 is about 3567.5551852774. Note that the first 3 decimals coincide. The cubic root of 12727450 is about 233.4786283279.

The spelling of 12727450 in words is "twelve million, seven hundred twenty-seven thousand, four hundred fifty".