13940308 has 6 divisors (see below), whose sum is σ = 24395546. Its totient is φ = 6970152.

The previous prime is 13940293. The next prime is 13940317. The reversal of 13940308 is 80304931.

13940308 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 only one way, i.e., 13162384 + 777924 = 3628^2 + 882^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742535 + ... + 1742542.

Almost surely, 2^13940308 is an apocalyptic number.

It is an amenable number.

13940308 is a deficient number, since it is larger than the sum of its proper divisors (10455238).

13940308 is a wasteful number, since it uses less digits than its factorization.

13940308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485081 (or 3485079 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13940308 is about 3733.6721870030. The cubic root of 13940308 is about 240.6711998321.

The spelling of 13940308 in words is "thirteen million, nine hundred forty thousand, three hundred eight".