13029140 has 24 divisors (see below), whose sum is σ = 28971432. Its totient is φ = 4904960.

The previous prime is 13029131. The next prime is 13029151. The reversal of 13029140 is 4192031.

13029140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3319684 + 9709456 = 1822^2 + 3116^2 .

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

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, 18821 + ... + 19500.

It is an arithmetic number, because the mean of its divisors is an integer number (1207143).

Almost surely, 2^13029140 is an apocalyptic number.

13029140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13029140 is an abundant number, since it is smaller than the sum of its proper divisors (15942292).

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

13029140 is a wasteful number, since it uses less digits than its factorization.

13029140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38347 (or 38345 counting only the distinct ones).

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

The square root of 13029140 is about 3609.5900044188. The cubic root of 13029140 is about 235.3090245703.

The spelling of 13029140 in words is "thirteen million, twenty-nine thousand, one hundred forty".