13653146 has 16 divisors (see below), whose sum is σ = 22221864. Its totient is φ = 6253824.

The previous prime is 13653137. The next prime is 13653149. The reversal of 13653146 is 64135631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8059921 + 5593225 = 2839^2 + 2365^2 .

It is not an unprimeable number, because it can be changed into a prime (13653149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 5478.

Almost surely, 2^13653146 is an apocalyptic number.

13653146 is a deficient number, since it is larger than the sum of its proper divisors (8568718).

13653146 is a wasteful number, since it uses less digits than its factorization.

13653146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985.

The product of its digits is 6480, while the sum is 29.

The square root of 13653146 is about 3695.0163734414. The cubic root of 13653146 is about 239.0071600243.

Adding to 13653146 its reverse (64135631), we get a palindrome (77788777).

The spelling of 13653146 in words is "thirteen million, six hundred fifty-three thousand, one hundred forty-six".