13949402 has 8 divisors (see below), whose sum is σ = 20999412. Its totient is φ = 6949600.

The previous prime is 13949387. The next prime is 13949417. The reversal of 13949402 is 20494931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13949387) and next prime (13949417).

It can be written as a sum of positive squares in 2 ways, for example, as 13756681 + 192721 = 3709^2 + 439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11849 + ... + 12972.

Almost surely, 2^13949402 is an apocalyptic number.

13949402 is a deficient number, since it is larger than the sum of its proper divisors (7050010).

13949402 is a wasteful number, since it uses less digits than its factorization.

13949402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13949402 is about 3734.8898243456. The cubic root of 13949402 is about 240.7235226391.

The spelling of 13949402 in words is "thirteen million, nine hundred forty-nine thousand, four hundred two".