13942770 has 64 divisors (see below), whose sum is σ = 35890560. Its totient is φ = 3456000.

The previous prime is 13942769. The next prime is 13942783. The reversal of 13942770 is 7724931.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34570 + ... + 34970.

It is an arithmetic number, because the mean of its divisors is an integer number (560790).

Almost surely, 2^13942770 is an apocalyptic number.

13942770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13942770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17945280).

13942770 is an abundant number, since it is smaller than the sum of its proper divisors (21947790).

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

13942770 is a wasteful number, since it uses less digits than its factorization.

13942770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 13942770 is about 3734.0018746648. The cubic root of 13942770 is about 240.6853673243.

The spelling of 13942770 in words is "thirteen million, nine hundred forty-two thousand, seven hundred seventy".