13606900 has 18 divisors (see below), whose sum is σ = 29527190. Its totient is φ = 5442720.

The previous prime is 13606897. The next prime is 13606903. The reversal of 13606900 is 960631.

It is an interprime number because it is at equal distance from previous prime (13606897) and next prime (13606903).

It can be written as a sum of positive squares in 3 ways, for example, as 675684 + 12931216 = 822^2 + 3596^2 .

It is a super-2 number, since 2×13606900² = 370295455220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13606903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67935 + ... + 68134.

Almost surely, 2^13606900 is an apocalyptic number.

13606900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13606900 is an abundant number, since it is smaller than the sum of its proper divisors (15920290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13606900 is a wasteful number, since it uses less digits than its factorization.

13606900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136083 (or 136076 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 13606900 is about 3688.7531768878. The cubic root of 13606900 is about 238.7369993743.

The spelling of 13606900 in words is "thirteen million, six hundred six thousand, nine hundred".