11043013 has 16 divisors (see below), whose sum is σ = 12427776. Its totient is φ = 9757440.

The previous prime is 11043001. The next prime is 11043017. The reversal of 11043013 is 31034011.

It is a cyclic number.

It is not a de Polignac number, because 11043013 - 2⁹ = 11042501 is a prime.

It is a super-2 number, since 2×11043013² = 243896272236338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042984 and 11043002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23620 + ... + 24082.

It is an arithmetic number, because the mean of its divisors is an integer number (776736).

Almost surely, 2^11043013 is an apocalyptic number.

It is an amenable number.

11043013 is a deficient number, since it is larger than the sum of its proper divisors (1384763).

11043013 is a wasteful number, since it uses less digits than its factorization.

11043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11043013 is about 3323.1029174553. The cubic root of 11043013 is about 222.6875109968.

Adding to 11043013 its reverse (31034011), we get a palindrome (42077024).

The spelling of 11043013 in words is "eleven million, forty-three thousand, thirteen".