13129452 has 90 divisors (see below), whose sum is σ = 39975012. Its totient is φ = 3746736.

The previous prime is 13129427. The next prime is 13129463. The reversal of 13129452 is 25492131.

13129452 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 15463 + ... + 16289.

Almost surely, 2^13129452 is an apocalyptic number.

13129452 is a gapful number since it is divisible by the number (12) 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 13129452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19987506).

13129452 is an abundant number, since it is smaller than the sum of its proper divisors (26845560).

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

13129452 is a wasteful number, since it uses less digits than its factorization.

13129452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 839 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13129452 is about 3623.4585688262. The cubic root of 13129452 is about 235.9113666975.

The spelling of 13129452 in words is "thirteen million, one hundred twenty-nine thousand, four hundred fifty-two".