13387229655 has 16 divisors (see below), whose sum is σ = 21477940224. Its totient is φ = 7120398240.

The previous prime is 13387229617. The next prime is 13387229693. The reversal of 13387229655 is 55692278331.

It is an interprime number because it is at equal distance from previous prime (13387229617) and next prime (13387229693).

It is not a de Polignac number, because 13387229655 - 2⁶ = 13387229591 is a prime.

It is a super-2 number, since 2×13387229655² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13387229598 and 13387229607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210411 + ... + 1221420.

It is an arithmetic number, because the mean of its divisors is an integer number (1342371264).

Almost surely, 2^13387229655 is an apocalyptic number.

13387229655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13387229655 is a deficient number, since it is larger than the sum of its proper divisors (8090710569).

13387229655 is a wasteful number, since it uses less digits than its factorization.

13387229655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432206.

The product of its digits is 2721600, while the sum is 51.

The spelling of 13387229655 in words is "thirteen billion, three hundred eighty-seven million, two hundred twenty-nine thousand, six hundred fifty-five".