15132783 has 4 divisors (see below), whose sum is σ = 20177048. Its totient is φ = 10088520.

The previous prime is 15132773. The next prime is 15132811. The reversal of 15132783 is 38723151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38723151 = 3 ⋅12907717.

It is not a de Polignac number, because 15132783 - 2¹⁴ = 15116399 is a prime.

It is a super-2 number, since 2×15132783² = 458002242650178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15132783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15132773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522128 + ... + 2522133.

It is an arithmetic number, because the mean of its divisors is an integer number (5044262).

Almost surely, 2^15132783 is an apocalyptic number.

15132783 is a deficient number, since it is larger than the sum of its proper divisors (5044265).

15132783 is an equidigital number, since it uses as much as digits as its factorization.

15132783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044264.

The product of its digits is 5040, while the sum is 30.

The square root of 15132783 is about 3890.0877882125. The cubic root of 15132783 is about 247.3467840605.

The spelling of 15132783 in words is "fifteen million, one hundred thirty-two thousand, seven hundred eighty-three".