10401263 has 4 divisors (see below), whose sum is σ = 11013120. Its totient is φ = 9789408.

The previous prime is 10401253. The next prime is 10401271. The reversal of 10401263 is 36210401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36210401 = 839 ⋅43159.

It is a cyclic number.

It is not a de Polignac number, because 10401263 - 2⁶ = 10401199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 611839 = 10401263 / (1 + 0 + 4 + 0 + 1 + 2 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305903 + ... + 305936.

It is an arithmetic number, because the mean of its divisors is an integer number (2753280).

Almost surely, 2^10401263 is an apocalyptic number.

10401263 is a deficient number, since it is larger than the sum of its proper divisors (611857).

10401263 is an equidigital number, since it uses as much as digits as its factorization.

10401263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611856.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10401263 is about 3225.0989132118. The cubic root of 10401263 is about 218.2874123392.

Adding to 10401263 its reverse (36210401), we get a palindrome (46611664).

The spelling of 10401263 in words is "ten million, four hundred one thousand, two hundred sixty-three".