11402 has 4 divisors (see below), whose sum is σ = 17106. Its totient is φ = 5700.
The previous prime is 11399. The next prime is 11411. The reversal of 11402 is 20411.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 7921 + 3481 = 89^2 + 59^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 11402.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2849 + ... + 2852.
211402 is an apocalyptic number.
11402 is a deficient number, since it is larger than the sum of its proper divisors (5704).
11402 is an equidigital number, since it uses as much as digits as its factorization.
11402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5703.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 11402 is about 106.7801479677. The cubic root of 11402 is about 22.5074872202.
Adding to 11402 its reverse (20411), we get a palindrome (31813).
Subtracting 11402 from its reverse (20411), we obtain a palindrome (9009).
The spelling of 11402 in words is "eleven thousand, four hundred two", and thus it is an iban number.
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