13958426 has 12 divisors (see below), whose sum is σ = 22098762. Its totient is φ = 6611544.

The previous prime is 13958423. The next prime is 13958449. The reversal of 13958426 is 62485931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 5285401 = 2945^2 + 2299^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 13958426.

It is not an unprimeable number, because it can be changed into a prime (13958423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8945 + ... + 10388.

Almost surely, 2^13958426 is an apocalyptic number.

13958426 is a deficient number, since it is larger than the sum of its proper divisors (8140336).

13958426 is a wasteful number, since it uses less digits than its factorization.

13958426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373 (or 19354 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 13958426 is about 3736.0976967954. The cubic root of 13958426 is about 240.7754202237.

The spelling of 13958426 in words is "thirteen million, nine hundred fifty-eight thousand, four hundred twenty-six".