12901455 has 36 divisors (see below), whose sum is σ = 26017992. Its totient is φ = 5896800.

The previous prime is 12901451. The next prime is 12901457. The reversal of 12901455 is 55410921.

It is not a de Polignac number, because 12901455 - 2² = 12901451 is a prime.

It is a super-2 number, since 2×12901455² = 332895082234050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 721 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (722722).

Almost surely, 2^12901455 is an apocalyptic number.

12901455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12901455 is an abundant number, since it is smaller than the sum of its proper divisors (13116537).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12901455 is a wasteful number, since it uses less digits than its factorization.

12901455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 12901455 is about 3591.8595462518. The cubic root of 12901455 is about 234.5378271197.

The spelling of 12901455 in words is "twelve million, nine hundred one thousand, four hundred fifty-five".