13291000 has 32 divisors (see below), whose sum is σ = 31103280. Its totient is φ = 5316000.

The previous prime is 13290997. The next prime is 13291001. The reversal of 13291000 is 19231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5646 + ... + 7645.

Almost surely, 2^13291000 is an apocalyptic number.

13291000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13291000 is an abundant number, since it is smaller than the sum of its proper divisors (17812280).

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

13291000 is a wasteful number, since it uses less digits than its factorization.

13291000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312 (or 13298 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 13291000 is about 3645.6823778272. The cubic root of 13291000 is about 236.8749956489.

The spelling of 13291000 in words is "thirteen million, two hundred ninety-one thousand".