13102940 has 24 divisors (see below), whose sum is σ = 27867840. Its totient is φ = 5174208.

The previous prime is 13102927. The next prime is 13102949. The reversal of 13102940 is 4920131.

13102940 = T₅₃₆ + T₅₃₇ + ... + T₆₁₄.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102949) 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, 2567 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (1161160).

Almost surely, 2^13102940 is an apocalyptic number.

13102940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13102940 is an abundant number, since it is smaller than the sum of its proper divisors (14764900).

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

13102940 is a wasteful number, since it uses less digits than its factorization.

13102940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381 (or 8379 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13102940 is about 3619.7983369243. The cubic root of 13102940 is about 235.7524695674.

The spelling of 13102940 in words is "thirteen million, one hundred two thousand, nine hundred forty".