13898655 has 16 divisors (see below), whose sum is σ = 24708960. Its totient is φ = 7412544.

The previous prime is 13898653. The next prime is 13898659. The reversal of 13898655 is 55689831.

It is not a de Polignac number, because 13898655 - 2¹ = 13898653 is a prime.

It is a super-2 number, since 2×13898655² = 386345221618050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13898655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13898653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51342 + ... + 51611.

It is an arithmetic number, because the mean of its divisors is an integer number (1544310).

Almost surely, 2^13898655 is an apocalyptic number.

13898655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13898655 is a deficient number, since it is larger than the sum of its proper divisors (10810305).

13898655 is a wasteful number, since it uses less digits than its factorization.

13898655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102967 (or 102961 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 13898655 is about 3728.0899935490. The cubic root of 13898655 is about 240.4312558624.

The spelling of 13898655 in words is "thirteen million, eight hundred ninety-eight thousand, six hundred fifty-five".