13485756 has 24 divisors (see below), whose sum is σ = 31533264. Its totient is φ = 4485760.

The previous prime is 13485739. The next prime is 13485781. The reversal of 13485756 is 65758431.

It is a super-2 number, since 2×13485756² = 363731229783072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6976 + ... + 8696.

It is an arithmetic number, because the mean of its divisors is an integer number (1313886).

Almost surely, 2^13485756 is an apocalyptic number.

It is an amenable number.

13485756 is an abundant number, since it is smaller than the sum of its proper divisors (18047508).

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

13485756 is a wasteful number, since it uses less digits than its factorization.

13485756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381 (or 2379 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 13485756 is about 3672.2957397247. The cubic root of 13485756 is about 238.0263841004.

It can be divided in two parts, 13485 and 756, that added together give a palindrome (14241).

The spelling of 13485756 in words is "thirteen million, four hundred eighty-five thousand, seven hundred fifty-six".