13111248 has 40 divisors (see below), whose sum is σ = 35042400. Its totient is φ = 4219264.

The previous prime is 13111237. The next prime is 13111271. The reversal of 13111248 is 84211131.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (876060).

Almost surely, 2^13111248 is an apocalyptic number.

It is an amenable number.

13111248 is an abundant number, since it is smaller than the sum of its proper divisors (21931152).

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

13111248 is a wasteful number, since it uses less digits than its factorization.

13111248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9459 (or 9453 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 13111248 is about 3620.9457328162. The cubic root of 13111248 is about 235.8022858097.

Adding to 13111248 its reverse (84211131), we get a palindrome (97322379).

The spelling of 13111248 in words is "thirteen million, one hundred eleven thousand, two hundred forty-eight".