13497240 has 64 divisors (see below), whose sum is σ = 40836960. Its totient is φ = 3568640.

The previous prime is 13497221. The next prime is 13497257. The reversal of 13497240 is 4279431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13497198 and 13497207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16030 + ... + 16850.

Almost surely, 2^13497240 is an apocalyptic number.

13497240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13497240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20418480).

13497240 is an abundant number, since it is smaller than the sum of its proper divisors (27339720).

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

13497240 is a wasteful number, since it uses less digits than its factorization.

13497240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13497240 is about 3673.8590065488. The cubic root of 13497240 is about 238.0939299230.

The spelling of 13497240 in words is "thirteen million, four hundred ninety-seven thousand, two hundred forty".