13111204 has 6 divisors (see below), whose sum is σ = 22944614. Its totient is φ = 6555600.

The previous prime is 13111201. The next prime is 13111207. The reversal of 13111204 is 40211131.

It is an interprime number because it is at equal distance from previous prime (13111201) and next prime (13111207).

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 1537600 = 3402^2 + 1240^2 .

It is not an unprimeable number, because it can be changed into a prime (13111201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638897 + ... + 1638904.

Almost surely, 2^13111204 is an apocalyptic number.

It is an amenable number.

13111204 is a deficient number, since it is larger than the sum of its proper divisors (9833410).

13111204 is a wasteful number, since it uses less digits than its factorization.

13111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277805 (or 3277803 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 13111204 is about 3620.9396570504. The cubic root of 13111204 is about 235.8020220333.

Adding to 13111204 its reverse (40211131), we get a palindrome (53322335).

The spelling of 13111204 in words is "thirteen million, one hundred eleven thousand, two hundred four".