28013037 has 16 divisors (see below), whose sum is σ = 40416768. Its totient is φ = 17156160.

The previous prime is 28013009. The next prime is 28013053. The reversal of 28013037 is 73031082.

It is not a de Polignac number, because 28013037 - 2¹² = 28008941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28012998 and 28013016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28013137) 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, 7087 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (2526048).

Almost surely, 2^28013037 is an apocalyptic number.

It is an amenable number.

28013037 is a deficient number, since it is larger than the sum of its proper divisors (12403731).

28013037 is a wasteful number, since it uses less digits than its factorization.

28013037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 28013037 is about 5292.7343594781. The cubic root of 28013037 is about 303.7060184588.

The spelling of 28013037 in words is "twenty-eight million, thirteen thousand, thirty-seven".