1261393 has 8 divisors (see below), whose sum is σ = 1460480. Its totient is φ = 1067040.

The previous prime is 1261387. The next prime is 1261411. The reversal of 1261393 is 3931621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1261393 - 2⁹ = 1260881 is a prime.

It is a super-2 number, since 2×1261393² = 3182224600898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1261313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (182560).

2^1261393 is an apocalyptic number.

It is an amenable number.

1261393 is a deficient number, since it is larger than the sum of its proper divisors (199087).

1261393 is an equidigital number, since it uses as much as digits as its factorization.

1261393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367.

The product of its digits is 972, while the sum is 25.

The square root of 1261393 is about 1123.1175361466. The cubic root of 1261393 is about 108.0480181992.

The spelling of 1261393 in words is "one million, two hundred sixty-one thousand, three hundred ninety-three".