13140460 has 24 divisors (see below), whose sum is σ = 27664560. Its totient is φ = 5242944.

The previous prime is 13140433. The next prime is 13140461. The reversal of 13140460 is 6404131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13140461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12682 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (1152690).

Almost surely, 2^13140460 is an apocalyptic number.

13140460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140460 is an abundant number, since it is smaller than the sum of its proper divisors (14524100).

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

13140460 is a wasteful number, since it uses less digits than its factorization.

13140460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13140460 is about 3624.9772413079. The cubic root of 13140460 is about 235.9772792452.

Adding to 13140460 its reverse (6404131), we get a palindrome (19544591).

The spelling of 13140460 in words is "thirteen million, one hundred forty thousand, four hundred sixty".