13653028 has 6 divisors (see below), whose sum is σ = 23892806. Its totient is φ = 6826512.

The previous prime is 13652993. The next prime is 13653049. The reversal of 13653028 is 82035631.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 1036324 = 3552^2 + 1018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13652987 and 13653005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1706625 + ... + 1706632.

Almost surely, 2^13653028 is an apocalyptic number.

It is an amenable number.

13653028 is a deficient number, since it is larger than the sum of its proper divisors (10239778).

13653028 is a wasteful number, since it uses less digits than its factorization.

13653028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413261 (or 3413259 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13653028 is about 3695.0004059540. Note that the first 3 decimals coincide. The cubic root of 13653028 is about 239.0064714668.

Adding to 13653028 its reverse (82035631), we get a palindrome (95688659).

The spelling of 13653028 in words is "thirteen million, six hundred fifty-three thousand, twenty-eight".