13709502 has 48 divisors (see below), whose sum is σ = 31150080. Its totient is φ = 4352400.

The previous prime is 13709491. The next prime is 13709513. The reversal of 13709502 is 20590731.

13709502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13709491) and next prime (13709513).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43927 + ... + 44237.

It is an arithmetic number, because the mean of its divisors is an integer number (648960).

Almost surely, 2^13709502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13709502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15575040).

13709502 is an abundant number, since it is smaller than the sum of its proper divisors (17440578).

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

13709502 is a wasteful number, since it uses less digits than its factorization.

13709502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 13709502 is about 3702.6344675109. The cubic root of 13709502 is about 239.3355580178.

The spelling of 13709502 in words is "thirteen million, seven hundred nine thousand, five hundred two".