13601436 has 24 divisors (see below), whose sum is σ = 32761344. Its totient is φ = 4387440.

The previous prime is 13601431. The next prime is 13601449. The reversal of 13601436 is 63410631.

It is a super-2 number, since 2×13601436² = 369998122524192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601431) 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 7 ways as a sum of consecutive naturals, for example, 17910 + ... + 18653.

It is an arithmetic number, because the mean of its divisors is an integer number (1365056).

Almost surely, 2^13601436 is an apocalyptic number.

It is an amenable number.

13601436 is an abundant number, since it is smaller than the sum of its proper divisors (19159908).

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

13601436 is a wasteful number, since it uses less digits than its factorization.

13601436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36601 (or 36599 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13601436 is about 3688.0124728639. The cubic root of 13601436 is about 238.7050392754.

The spelling of 13601436 in words is "thirteen million, six hundred one thousand, four hundred thirty-six".