13206942252 has 144 divisors (see below), whose sum is σ = 40605364800. Its totient is φ = 3533193216.

The previous prime is 13206942223. The next prime is 13206942253. The reversal of 13206942252 is 25224960231.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13206942253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 836124 + ... + 851772.

It is an arithmetic number, because the mean of its divisors is an integer number (281981700).

Almost surely, 2^13206942252 is an apocalyptic number.

13206942252 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 13206942252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20302682400).

13206942252 is an abundant number, since it is smaller than the sum of its proper divisors (27398422548).

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

13206942252 is a wasteful number, since it uses less digits than its factorization.

13206942252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15880 (or 15875 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 13206942252 in words is "thirteen billion, two hundred six million, nine hundred forty-two thousand, two hundred fifty-two".