13247370 has 96 divisors (see below), whose sum is σ = 37140480. Its totient is φ = 3265920.

The previous prime is 13247363. The next prime is 13247371. The reversal of 13247370 is 7374231.

It is not an unprimeable number, because it can be changed into a prime (13247371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104247 + ... + 104373.

It is an arithmetic number, because the mean of its divisors is an integer number (386880).

Almost surely, 2^13247370 is an apocalyptic number.

13247370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13247370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18570240).

13247370 is an abundant number, since it is smaller than the sum of its proper divisors (23893110).

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

13247370 is a wasteful number, since it uses less digits than its factorization.

13247370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 13247370 is about 3639.6936684287. The cubic root of 13247370 is about 236.6155171702.

The spelling of 13247370 in words is "thirteen million, two hundred forty-seven thousand, three hundred seventy".