13370661 has 12 divisors (see below), whose sum is σ = 20329920. Its totient is φ = 8444520.

The previous prime is 13370647. The next prime is 13370689. The reversal of 13370661 is 16607331.

It is not a de Polignac number, because 13370661 - 2¹⁴ = 13354277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13370761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38925 + ... + 39266.

It is an arithmetic number, because the mean of its divisors is an integer number (1694160).

Almost surely, 2^13370661 is an apocalyptic number.

It is an amenable number.

13370661 is a deficient number, since it is larger than the sum of its proper divisors (6959259).

13370661 is a wasteful number, since it uses less digits than its factorization.

13370661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78216 (or 78213 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13370661 is about 3656.5914455952. The cubic root of 13370661 is about 237.3472983321.

Adding to 13370661 its reverse (16607331), we get a palindrome (29977992).

The spelling of 13370661 in words is "thirteen million, three hundred seventy thousand, six hundred sixty-one".