1263493 has 16 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 964800.

The previous prime is 1263487. The next prime is 1263499. The reversal of 1263493 is 3943621.

It is an interprime number because it is at equal distance from previous prime (1263487) and next prime (1263499).

It is a cyclic number.

It is not a de Polignac number, because 1263493 - 2⁵ = 1263461 is a prime.

It is a super-2 number, since 2×1263493² = 3192829122098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263499) 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, 4563 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2^1263493 is an apocalyptic number.

It is an amenable number.

1263493 is a deficient number, since it is larger than the sum of its proper divisors (343547).

1263493 is a wasteful number, since it uses less digits than its factorization.

1263493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 3888, while the sum is 28.

The square root of 1263493 is about 1124.0520450584. The cubic root of 1263493 is about 108.1079453427.

The spelling of 1263493 in words is "one million, two hundred sixty-three thousand, four hundred ninety-three".