13898090 has 8 divisors (see below), whose sum is σ = 25016580. Its totient is φ = 5559232.

The previous prime is 13898081. The next prime is 13898113. The reversal of 13898090 is 9089831.

It can be written as a sum of positive squares in 2 ways, for example, as 11296321 + 2601769 = 3361^2 + 1613^2 .

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, 694895 + ... + 694914.

Almost surely, 2^13898090 is an apocalyptic number.

13898090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13898090 is a deficient number, since it is larger than the sum of its proper divisors (11118490).

13898090 is a wasteful number, since it uses less digits than its factorization.

13898090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389816.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 13898090 is about 3728.0142167111. The cubic root of 13898090 is about 240.4279978613.

The spelling of 13898090 in words is "thirteen million, eight hundred ninety-eight thousand, ninety".