13642860 has 96 divisors (see below), whose sum is σ = 47642112. Its totient is φ = 2833920.

The previous prime is 13642859. The next prime is 13642879. The reversal of 13642860 is 6824631.

It is a super-2 number, since 2×13642860² = 372255257959200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3144 + ... + 6096.

It is an arithmetic number, because the mean of its divisors is an integer number (496272).

Almost surely, 2^13642860 is an apocalyptic number.

13642860 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 13642860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23821056).

13642860 is an abundant number, since it is smaller than the sum of its proper divisors (33999252).

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

13642860 is a wasteful number, since it uses less digits than its factorization.

13642860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 13642860 is about 3693.6242364377. The cubic root of 13642860 is about 238.9471239153.

It can be divided in two parts, 1364 and 2860, that added together give a palindrome (4224).

The spelling of 13642860 in words is "thirteen million, six hundred forty-two thousand, eight hundred sixty".