13091451 has 16 divisors (see below), whose sum is σ = 18240000. Its totient is φ = 8343648.

The previous prime is 13091443. The next prime is 13091453. The reversal of 13091451 is 15419031.

It is not a de Polignac number, because 13091451 - 2³ = 13091443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13091453) 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, 5550 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (1140000).

Almost surely, 2^13091451 is an apocalyptic number.

13091451 is a deficient number, since it is larger than the sum of its proper divisors (5148549).

13091451 is a wasteful number, since it uses less digits than its factorization.

13091451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 13091451 is about 3618.2110220384. The cubic root of 13091451 is about 235.6835447776.

The spelling of 13091451 in words is "thirteen million, ninety-one thousand, four hundred fifty-one".