13140502 has 12 divisors (see below), whose sum is σ = 20098260. Its totient is φ = 6443528.

The previous prime is 13140487. The next prime is 13140503. The reversal of 13140502 is 20504131.

It is a pancake number, because a pancake can be divided into 13140502 parts by 5126 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4449 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (1674855).

Almost surely, 2^13140502 is an apocalyptic number.

13140502 is a deficient number, since it is larger than the sum of its proper divisors (6957758).

13140502 is an equidigital number, since it uses as much as digits as its factorization.

13140502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13140502 is about 3624.9830344431. The cubic root of 13140502 is about 235.9775306579.

Adding to 13140502 its reverse (20504131), we get a palindrome (33644633).

The spelling of 13140502 in words is "thirteen million, one hundred forty thousand, five hundred two".